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Patent reference

Patent reference

Posted Jan 12, 2006 16:27 UTC (Thu) by ayeomans (guest, #1848)
In reply to: Microsoft's file system patent upheld (News.com) by JoeBuck
Parent article: Microsoft's file system patent upheld (News.com)

As far as I can tell from PubPat's challenge details there is only one patent in question, US-5,579,517. I guess the "two patents" refer to two of the four claims in this patent. The patent abstract states:

An operating system provides a common name space for both long filenames and short filenames. In this common namespace, a long filename and a short filename are provided for each file. Each file has a short filename directory entry and may have at least one long filename directory entry associated with it. The number of long filename directory entries that are associated with a file depends on the number of characters in the long filename of the file. The long filename directory entries are configured to minimize compatibility problems with existing installed program bases.


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Patent reference

Posted Jan 12, 2006 16:37 UTC (Thu) by ayeomans (guest, #1848) [Link]

Microsoft's FAT technology license refers in addition to patent US-5,579,517 the two patents US-5,758,352 and US-6,286,013. All refer to long filenames. Though as far as I can tell (corrections welcome!) the latter two have not been challenged by PubPat or anyone else, so presumably are not part of the current ruling.


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